Exploring the: Know How - Injection Molding Zone
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- How to Solve Uneven Clamping
- Of the hundreds of variables involved in injection molding, clamping mechanisms and platens often get less attention than they deserve.
Article Published: 4/1/2009
- Find the Source of Visual Defects
- The appearance of visual defects on parts such as cracking, crazing, grooves, ripples, wave marks, and flaky brittleness often indicates more than an aesthetic problem.
Article Published: 7/1/2008
- What to Do About Weak Weld Lines
- Weld or knit lines are perhaps the most common and difficult injection molding defect to eliminate.
Article Published: 4/1/2008
- Sticking Sprues or Parts? Lots of Possible Causes and Solutions
- Material sticking in the mold can be a production killer, whether it is the sprue or the formed part in the cavity.
Article Published: 3/1/2007
- Eliminate Surface Defects on Molded Parts
- Visible defects on the surface of a molded part appear as dull, glossy, or hazy areas, or as a rippled surface, called orange peel.
Article Published: 7/1/2005
- How to Stop Flash
- Flashing of a part can occur for several reasons—from variations in the process or material to tooling trouble.
Article Published: 7/1/2004
- What You Can Learn from Shot Profiles
- Want to know more about your molding process? Need a better way to diagnose problems? There's no better tool than the electronic 'signature' provided by process-monitoring curves of cavity pressure and other variables. Here's a sampling of seven rea...
Article Published: 3/1/1999
